Add comment to remove code when we are in Ruby 2.4

bd8b50d2 · Rafael Mendonça França · 8e069007 · bd8b50d2
隐藏空白更改
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activesupport/lib/active_support/core_ext/hash/transform_values.rb ...port/lib/active_support/core_ext/hash/transform_values.rb +1 -0

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--- a/activesupport/lib/active_support/core_ext/hash/transform_values.rb
+++ b/activesupport/lib/active_support/core_ext/hash/transform_values.rb
@@ -26,4 +26,5 @@ def transform_values!
      self[key] = yield(value)
    end
  end unless method_defined? :transform_values!
+  # TODO: Remove this file when supporting only Ruby 2.4+.
 end